Home / 12,991,212.60-19,484,975.70-4,016,671.80

Finding the Fourth Proportional to 12,991,212.60, 19,484,975.70 and 4,016,671.80

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Solution

The fourth proportional to 12,991,212.60, 19,484,975.70 and 4,016,671.80 is: 6,024,437.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,991,212.60 : 19,484,975.70 = 4,016,671.80 : x
  2. Step 2: Convert to fraction form
    12,991,212.60/19,484,975.70 = 4,016,671.80/x
  3. Step 3: Cross multiply
    12,991,212.60x = 19,484,975.70 × 4,016,671.80
  4. Step 4: Simplify right side
    12,991,212.60x = 78,264,752,417,875.25
  5. Step 5: Solve for x
    x = 78,264,752,417,875.25/12,991,212.60
  6. Step 6: Final answer
    x = 6,024,437.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.